./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:03:33,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:03:33,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:03:33,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:03:33,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:03:33,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:03:33,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:03:33,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:03:33,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:03:33,688 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:03:33,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:03:33,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:03:33,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:03:33,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:03:33,689 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:03:33,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:03:33,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:03:33,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:03:33,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:03:33,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:03:33,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:03:33,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:03:33,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:03:33,690 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:03:33,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:03:33,690 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:03:33,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:03:33,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:03:33,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:03:33,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:33,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:03:33,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:03:33,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:03:33,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:03:33,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:33,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:03:33,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:03:33,692 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:03:33,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:03:33,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:03:33,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:03:33,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:03:33,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:03:33,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:03:33,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:03:33,693 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 [2024-11-28 05:03:34,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:03:34,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:03:34,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:03:34,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:03:34,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:03:34,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2024-11-28 05:03:37,636 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/data/8480d5bfa/104a4f340d7749828638dca4cb7bc534/FLAG5cda312cd [2024-11-28 05:03:38,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:03:38,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2024-11-28 05:03:38,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/data/8480d5bfa/104a4f340d7749828638dca4cb7bc534/FLAG5cda312cd [2024-11-28 05:03:38,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/data/8480d5bfa/104a4f340d7749828638dca4cb7bc534 [2024-11-28 05:03:38,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:03:38,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:03:38,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:03:38,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:03:38,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:03:38,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:38" (1/1) ... [2024-11-28 05:03:38,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd8d222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:38, skipping insertion in model container [2024-11-28 05:03:38,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:38" (1/1) ... [2024-11-28 05:03:38,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:03:41,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2024-11-28 05:03:41,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:03:41,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:03:41,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6250] [2024-11-28 05:03:41,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6257] [2024-11-28 05:03:41,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6402] [2024-11-28 05:03:41,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6409] [2024-11-28 05:03:41,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6418] [2024-11-28 05:03:41,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6426] [2024-11-28 05:03:41,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [6433] [2024-11-28 05:03:41,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6441] [2024-11-28 05:03:41,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6556-6557] [2024-11-28 05:03:41,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6585-6586] [2024-11-28 05:03:41,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6615-6616] [2024-11-28 05:03:41,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6897] [2024-11-28 05:03:41,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6928] [2024-11-28 05:03:41,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2024-11-28 05:03:41,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:03:41,802 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:03:41,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41 WrapperNode [2024-11-28 05:03:41,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:03:41,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:03:41,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:03:41,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:03:41,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:41,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:42,188 INFO L138 Inliner]: procedures = 215, calls = 1747, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3426 [2024-11-28 05:03:42,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:03:42,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:03:42,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:03:42,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:03:42,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:42,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:42,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,525 INFO L175 MemorySlicer]: Split 1153 memory accesses to 16 slices as follows [2, 43, 843, 28, 58, 5, 4, 18, 20, 5, 4, 6, 17, 19, 36, 45]. 73 percent of accesses are in the largest equivalence class. The 100 initializations are split as follows [2, 0, 20, 0, 0, 5, 4, 18, 0, 5, 4, 6, 17, 19, 0, 0]. The 477 writes are split as follows [0, 43, 329, 12, 58, 0, 0, 0, 3, 0, 0, 0, 0, 0, 10, 22]. [2024-11-28 05:03:43,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:03:43,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:03:43,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:03:43,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:03:43,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (1/1) ... [2024-11-28 05:03:43,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:43,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:03:43,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:03:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 05:03:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 05:03:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 05:03:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 05:03:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 05:03:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 05:03:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 05:03:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 05:03:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 05:03:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 05:03:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 05:03:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 05:03:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 05:03:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 05:03:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 05:03:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 05:03:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 05:03:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 05:03:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-28 05:03:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-28 05:03:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 05:03:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 05:03:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 05:03:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 05:03:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 05:03:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 05:03:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 05:03:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 05:03:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 05:03:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 05:03:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 05:03:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 05:03:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 05:03:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 05:03:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 05:03:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 05:03:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 05:03:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 05:03:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 05:03:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 05:03:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 05:03:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 05:03:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 05:03:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 05:03:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 05:03:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:03:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:03:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 05:03:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 05:03:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-28 05:03:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-28 05:03:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 05:03:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 05:03:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:03:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2024-11-28 05:03:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 05:03:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 05:03:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 05:03:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 05:03:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 05:03:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 05:03:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 05:03:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 05:03:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 05:03:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 05:03:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 05:03:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 05:03:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 05:03:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2024-11-28 05:03:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2024-11-28 05:03:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 05:03:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 05:03:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-28 05:03:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-11-28 05:03:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-11-28 05:03:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#13 [2024-11-28 05:03:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#14 [2024-11-28 05:03:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#15 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#13 [2024-11-28 05:03:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#14 [2024-11-28 05:03:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#15 [2024-11-28 05:03:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2024-11-28 05:03:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2024-11-28 05:03:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 05:03:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 05:03:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-28 05:03:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-28 05:03:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 05:03:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 05:03:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2024-11-28 05:03:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2024-11-28 05:03:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2024-11-28 05:03:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2024-11-28 05:03:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 05:03:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 05:03:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2024-11-28 05:03:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 05:03:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2024-11-28 05:03:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2024-11-28 05:03:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 05:03:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 05:03:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 05:03:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 05:03:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-28 05:03:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-28 05:03:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2024-11-28 05:03:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-28 05:03:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:03:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2024-11-28 05:03:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 05:03:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 05:03:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:03:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 05:03:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 05:03:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:03:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:03:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:03:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:03:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:03:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:03:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:03:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:03:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:03:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:03:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:03:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 05:03:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 05:03:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 05:03:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 05:03:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 05:03:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2024-11-28 05:03:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2024-11-28 05:03:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 05:03:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-28 05:03:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:03:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 05:03:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-28 05:03:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-28 05:03:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 05:03:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 05:03:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-28 05:03:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2024-11-28 05:03:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2024-11-28 05:03:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2024-11-28 05:03:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 05:03:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 05:03:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2024-11-28 05:03:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2024-11-28 05:03:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 05:03:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 05:03:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2024-11-28 05:03:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2024-11-28 05:03:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2024-11-28 05:03:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2024-11-28 05:03:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2024-11-28 05:03:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2024-11-28 05:03:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-28 05:03:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-28 05:03:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-28 05:03:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-28 05:03:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:03:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:03:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 05:03:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 05:03:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 05:03:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 05:03:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 05:03:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2024-11-28 05:03:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2024-11-28 05:03:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-28 05:03:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-28 05:03:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:03:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:03:45,361 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:03:45,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:03:46,113 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 05:04:16,342 INFO L? ?]: Removed 2225 outVars from TransFormulas that were not future-live. [2024-11-28 05:04:16,343 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:04:16,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:04:16,493 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:04:16,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:04:16 BoogieIcfgContainer [2024-11-28 05:04:16,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:04:16,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:04:16,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:04:16,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:04:16,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:03:38" (1/3) ... [2024-11-28 05:04:16,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a44f2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:04:16, skipping insertion in model container [2024-11-28 05:04:16,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:41" (2/3) ... [2024-11-28 05:04:16,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a44f2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:04:16, skipping insertion in model container [2024-11-28 05:04:16,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:04:16" (3/3) ... [2024-11-28 05:04:16,512 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2024-11-28 05:04:16,542 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:04:16,549 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i that has 107 procedures, 1518 locations, 1 initial locations, 80 loop locations, and 1 error locations. [2024-11-28 05:04:16,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:04:16,693 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2daf0c75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:04:16,693 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:04:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 1307 states, 923 states have (on average 1.3282773564463706) internal successors, (1226), 944 states have internal predecessors, (1226), 322 states have call successors, (322), 61 states have call predecessors, (322), 60 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) [2024-11-28 05:04:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 05:04:16,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:16,750 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:16,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:16,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:16,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1613709739, now seen corresponding path program 1 times [2024-11-28 05:04:16,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:16,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120646468] [2024-11-28 05:04:16,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:16,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:04:23,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:23,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120646468] [2024-11-28 05:04:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120646468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:23,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:04:23,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:04:23,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248792576] [2024-11-28 05:04:23,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:23,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:04:23,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:23,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:04:23,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:04:23,831 INFO L87 Difference]: Start difference. First operand has 1307 states, 923 states have (on average 1.3282773564463706) internal successors, (1226), 944 states have internal predecessors, (1226), 322 states have call successors, (322), 61 states have call predecessors, (322), 60 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 05:04:24,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:24,798 INFO L93 Difference]: Finished difference Result 3908 states and 5661 transitions. [2024-11-28 05:04:24,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:04:24,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 153 [2024-11-28 05:04:24,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:04:24,863 INFO L225 Difference]: With dead ends: 3908 [2024-11-28 05:04:24,864 INFO L226 Difference]: Without dead ends: 2564 [2024-11-28 05:04:24,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:04:24,898 INFO L435 NwaCegarLoop]: 1868 mSDtfsCounter, 1838 mSDsluCounter, 5561 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 7429 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:04:24,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 7429 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:04:24,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2024-11-28 05:04:25,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2555. [2024-11-28 05:04:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 1807 states have (on average 1.3126729385722191) internal successors, (2372), 1837 states have internal predecessors, (2372), 628 states have call successors, (628), 120 states have call predecessors, (628), 119 states have return successors, (629), 623 states have call predecessors, (629), 627 states have call successors, (629) [2024-11-28 05:04:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3629 transitions. [2024-11-28 05:04:25,323 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3629 transitions. Word has length 153 [2024-11-28 05:04:25,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:04:25,324 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3629 transitions. [2024-11-28 05:04:25,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 05:04:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3629 transitions. [2024-11-28 05:04:25,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 05:04:25,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:25,362 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:25,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:04:25,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:25,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash -729617572, now seen corresponding path program 1 times [2024-11-28 05:04:25,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:25,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841685926] [2024-11-28 05:04:25,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:04:30,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:30,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841685926] [2024-11-28 05:04:30,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841685926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:30,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:04:30,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:04:30,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995595313] [2024-11-28 05:04:30,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:30,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:04:30,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:30,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:04:30,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:04:30,882 INFO L87 Difference]: Start difference. First operand 2555 states and 3629 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 05:04:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:31,675 INFO L93 Difference]: Finished difference Result 7660 states and 10885 transitions. [2024-11-28 05:04:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:04:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 161 [2024-11-28 05:04:31,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:04:31,729 INFO L225 Difference]: With dead ends: 7660 [2024-11-28 05:04:31,729 INFO L226 Difference]: Without dead ends: 5114 [2024-11-28 05:04:31,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:04:31,748 INFO L435 NwaCegarLoop]: 2014 mSDtfsCounter, 1810 mSDsluCounter, 5822 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 7836 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:04:31,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1811 Valid, 7836 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:04:31,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2024-11-28 05:04:32,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5101. [2024-11-28 05:04:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5101 states, 3610 states have (on average 1.3119113573407202) internal successors, (4736), 3669 states have internal predecessors, (4736), 1251 states have call successors, (1251), 240 states have call predecessors, (1251), 239 states have return successors, (1258), 1243 states have call predecessors, (1258), 1250 states have call successors, (1258) [2024-11-28 05:04:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 7245 transitions. [2024-11-28 05:04:32,169 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 7245 transitions. Word has length 161 [2024-11-28 05:04:32,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:04:32,170 INFO L471 AbstractCegarLoop]: Abstraction has 5101 states and 7245 transitions. [2024-11-28 05:04:32,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 05:04:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 7245 transitions. [2024-11-28 05:04:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 05:04:32,192 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:32,194 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:32,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:04:32,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:32,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:32,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1841864482, now seen corresponding path program 1 times [2024-11-28 05:04:32,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:32,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51309840] [2024-11-28 05:04:32,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:32,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:04:37,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:37,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51309840] [2024-11-28 05:04:37,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51309840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:37,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:04:37,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:04:37,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119251483] [2024-11-28 05:04:37,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:37,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:04:37,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:37,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:04:37,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:04:37,443 INFO L87 Difference]: Start difference. First operand 5101 states and 7245 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 05:04:38,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:38,663 INFO L93 Difference]: Finished difference Result 15310 states and 21754 transitions. [2024-11-28 05:04:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:04:38,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 160 [2024-11-28 05:04:38,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:04:38,765 INFO L225 Difference]: With dead ends: 15310 [2024-11-28 05:04:38,765 INFO L226 Difference]: Without dead ends: 10218 [2024-11-28 05:04:38,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:04:38,811 INFO L435 NwaCegarLoop]: 2014 mSDtfsCounter, 1809 mSDsluCounter, 5822 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 7836 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:04:38,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1810 Valid, 7836 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:04:38,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10218 states. [2024-11-28 05:04:39,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10218 to 10195. [2024-11-28 05:04:39,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10195 states, 7218 states have (on average 1.3108894430590192) internal successors, (9462), 7334 states have internal predecessors, (9462), 2496 states have call successors, (2496), 481 states have call predecessors, (2496), 480 states have return successors, (2519), 2483 states have call predecessors, (2519), 2495 states have call successors, (2519) [2024-11-28 05:04:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10195 states to 10195 states and 14477 transitions. [2024-11-28 05:04:39,685 INFO L78 Accepts]: Start accepts. Automaton has 10195 states and 14477 transitions. Word has length 160 [2024-11-28 05:04:39,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:04:39,685 INFO L471 AbstractCegarLoop]: Abstraction has 10195 states and 14477 transitions. [2024-11-28 05:04:39,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 05:04:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10195 states and 14477 transitions. [2024-11-28 05:04:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 05:04:39,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:39,703 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:39,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:04:39,703 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:39,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:39,703 INFO L85 PathProgramCache]: Analyzing trace with hash 111912073, now seen corresponding path program 1 times [2024-11-28 05:04:39,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:39,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441222858] [2024-11-28 05:04:39,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:39,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:04:44,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:44,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441222858] [2024-11-28 05:04:44,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441222858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:44,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:04:44,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:04:44,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522974805] [2024-11-28 05:04:44,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:44,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:04:44,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:44,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:04:44,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:04:44,871 INFO L87 Difference]: Start difference. First operand 10195 states and 14477 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 05:04:46,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:46,207 INFO L93 Difference]: Finished difference Result 30355 states and 43102 transitions. [2024-11-28 05:04:46,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:04:46,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 158 [2024-11-28 05:04:46,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:04:46,387 INFO L225 Difference]: With dead ends: 30355 [2024-11-28 05:04:46,387 INFO L226 Difference]: Without dead ends: 20169 [2024-11-28 05:04:46,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:04:46,465 INFO L435 NwaCegarLoop]: 1822 mSDtfsCounter, 1812 mSDsluCounter, 5438 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 7260 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:04:46,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 7260 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:04:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20169 states. [2024-11-28 05:04:48,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20169 to 20127. [2024-11-28 05:04:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20127 states, 14259 states have (on average 1.309629006241672) internal successors, (18674), 14483 states have internal predecessors, (18674), 4909 states have call successors, (4909), 959 states have call predecessors, (4909), 958 states have return successors, (4972), 4888 states have call predecessors, (4972), 4908 states have call successors, (4972) [2024-11-28 05:04:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20127 states to 20127 states and 28555 transitions. [2024-11-28 05:04:48,363 INFO L78 Accepts]: Start accepts. Automaton has 20127 states and 28555 transitions. Word has length 158 [2024-11-28 05:04:48,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:04:48,363 INFO L471 AbstractCegarLoop]: Abstraction has 20127 states and 28555 transitions. [2024-11-28 05:04:48,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 05:04:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 20127 states and 28555 transitions. [2024-11-28 05:04:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 05:04:48,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:48,384 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:48,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:04:48,384 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:48,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:48,385 INFO L85 PathProgramCache]: Analyzing trace with hash -625590872, now seen corresponding path program 1 times [2024-11-28 05:04:48,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:48,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939366328] [2024-11-28 05:04:48,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:48,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 05:04:54,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:54,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939366328] [2024-11-28 05:04:54,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939366328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:04:54,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572861519] [2024-11-28 05:04:54,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:54,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:04:54,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:54,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:04:54,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:04:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:59,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 3088 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:59,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 05:04:59,583 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:04:59,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572861519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:59,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:04:59,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-28 05:04:59,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969117659] [2024-11-28 05:04:59,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:59,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:04:59,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:59,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:04:59,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:04:59,586 INFO L87 Difference]: Start difference. First operand 20127 states and 28555 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 05:05:00,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:00,080 INFO L93 Difference]: Finished difference Result 20146 states and 28589 transitions. [2024-11-28 05:05:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:00,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 171 [2024-11-28 05:05:00,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:00,208 INFO L225 Difference]: With dead ends: 20146 [2024-11-28 05:05:00,209 INFO L226 Difference]: Without dead ends: 20143 [2024-11-28 05:05:00,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:05:00,226 INFO L435 NwaCegarLoop]: 1824 mSDtfsCounter, 0 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:00,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3643 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:05:00,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20143 states. [2024-11-28 05:05:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20143 to 20143. [2024-11-28 05:05:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20143 states, 14275 states have (on average 1.3092819614711033) internal successors, (18690), 14499 states have internal predecessors, (18690), 4909 states have call successors, (4909), 959 states have call predecessors, (4909), 958 states have return successors, (4972), 4888 states have call predecessors, (4972), 4908 states have call successors, (4972) [2024-11-28 05:05:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20143 states to 20143 states and 28571 transitions. [2024-11-28 05:05:01,314 INFO L78 Accepts]: Start accepts. Automaton has 20143 states and 28571 transitions. Word has length 171 [2024-11-28 05:05:01,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:01,316 INFO L471 AbstractCegarLoop]: Abstraction has 20143 states and 28571 transitions. [2024-11-28 05:05:01,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 05:05:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 20143 states and 28571 transitions. [2024-11-28 05:05:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 05:05:01,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:01,332 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:01,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:05:01,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:01,534 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:05:01,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:01,535 INFO L85 PathProgramCache]: Analyzing trace with hash -401985139, now seen corresponding path program 1 times [2024-11-28 05:05:01,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:01,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512679889] [2024-11-28 05:05:01,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:01,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 05:05:06,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:06,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512679889] [2024-11-28 05:05:06,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512679889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:06,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785171824] [2024-11-28 05:05:06,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:06,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:06,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:06,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:06,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:05:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:11,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 3093 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:05:11,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 05:05:11,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:11,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785171824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:11,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:05:11,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-28 05:05:11,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048448622] [2024-11-28 05:05:11,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:11,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:11,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:11,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:11,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:05:11,440 INFO L87 Difference]: Start difference. First operand 20143 states and 28571 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:05:12,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:12,474 INFO L93 Difference]: Finished difference Result 40245 states and 58141 transitions. [2024-11-28 05:05:12,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:12,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 173 [2024-11-28 05:05:12,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:12,591 INFO L225 Difference]: With dead ends: 40245 [2024-11-28 05:05:12,591 INFO L226 Difference]: Without dead ends: 20111 [2024-11-28 05:05:12,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:05:12,702 INFO L435 NwaCegarLoop]: 1821 mSDtfsCounter, 0 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:12,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3641 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:05:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20111 states. [2024-11-28 05:05:13,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20111 to 20111. [2024-11-28 05:05:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20111 states, 14243 states have (on average 1.308853471880924) internal successors, (18642), 14467 states have internal predecessors, (18642), 4909 states have call successors, (4909), 959 states have call predecessors, (4909), 958 states have return successors, (4972), 4888 states have call predecessors, (4972), 4908 states have call successors, (4972) [2024-11-28 05:05:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20111 states to 20111 states and 28523 transitions. [2024-11-28 05:05:13,557 INFO L78 Accepts]: Start accepts. Automaton has 20111 states and 28523 transitions. Word has length 173 [2024-11-28 05:05:13,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:13,558 INFO L471 AbstractCegarLoop]: Abstraction has 20111 states and 28523 transitions. [2024-11-28 05:05:13,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:05:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 20111 states and 28523 transitions. [2024-11-28 05:05:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 05:05:13,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:13,573 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:13,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:05:13,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 05:05:13,778 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:05:13,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:13,778 INFO L85 PathProgramCache]: Analyzing trace with hash 838958355, now seen corresponding path program 1 times [2024-11-28 05:05:13,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:13,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566827767] [2024-11-28 05:05:13,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 05:05:17,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:17,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566827767] [2024-11-28 05:05:17,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566827767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:17,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222124842] [2024-11-28 05:05:17,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:17,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:17,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:17,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:17,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:05:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:22,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 3098 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:05:22,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:05:23,314 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:23,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222124842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:23,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:05:23,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-28 05:05:23,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18547805] [2024-11-28 05:05:23,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:23,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:05:23,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:23,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:05:23,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:05:23,317 INFO L87 Difference]: Start difference. First operand 20111 states and 28523 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:05:25,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:25,546 INFO L93 Difference]: Finished difference Result 50317 states and 71345 transitions. [2024-11-28 05:05:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:05:25,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 173 [2024-11-28 05:05:25,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:25,759 INFO L225 Difference]: With dead ends: 50317 [2024-11-28 05:05:25,759 INFO L226 Difference]: Without dead ends: 30215 [2024-11-28 05:05:25,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:05:25,855 INFO L435 NwaCegarLoop]: 2262 mSDtfsCounter, 1837 mSDsluCounter, 10847 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 13109 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:25,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 13109 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:05:25,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30215 states. [2024-11-28 05:05:27,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30215 to 30066. [2024-11-28 05:05:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30066 states, 21307 states have (on average 1.3094757591401887) internal successors, (27901), 21651 states have internal predecessors, (27901), 7318 states have call successors, (7318), 1433 states have call predecessors, (7318), 1440 states have return successors, (7441), 7285 states have call predecessors, (7441), 7317 states have call successors, (7441) [2024-11-28 05:05:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30066 states to 30066 states and 42660 transitions. [2024-11-28 05:05:28,062 INFO L78 Accepts]: Start accepts. Automaton has 30066 states and 42660 transitions. Word has length 173 [2024-11-28 05:05:28,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:28,063 INFO L471 AbstractCegarLoop]: Abstraction has 30066 states and 42660 transitions. [2024-11-28 05:05:28,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:05:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 30066 states and 42660 transitions. [2024-11-28 05:05:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 05:05:28,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:28,097 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:28,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:05:28,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:28,301 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:05:28,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:28,306 INFO L85 PathProgramCache]: Analyzing trace with hash -485066945, now seen corresponding path program 1 times [2024-11-28 05:05:28,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:28,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058167525] [2024-11-28 05:05:28,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:05:32,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:32,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058167525] [2024-11-28 05:05:32,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058167525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:32,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710923698] [2024-11-28 05:05:32,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:32,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:32,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:32,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:32,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:05:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:37,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:05:37,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-28 05:05:37,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:37,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710923698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:37,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:05:37,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-28 05:05:37,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780214320] [2024-11-28 05:05:37,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:37,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:37,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:37,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:37,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:05:37,687 INFO L87 Difference]: Start difference. First operand 30066 states and 42660 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:05:38,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:38,574 INFO L93 Difference]: Finished difference Result 60013 states and 85132 transitions. [2024-11-28 05:05:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:38,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 168 [2024-11-28 05:05:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:38,777 INFO L225 Difference]: With dead ends: 60013 [2024-11-28 05:05:38,777 INFO L226 Difference]: Without dead ends: 29956 [2024-11-28 05:05:38,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:05:38,898 INFO L435 NwaCegarLoop]: 1810 mSDtfsCounter, 25 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3575 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:38,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3575 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:05:38,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29956 states. [2024-11-28 05:05:40,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29956 to 29934. [2024-11-28 05:05:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29934 states, 21263 states have (on average 1.3080468419319946) internal successors, (27813), 21585 states have internal predecessors, (27813), 7230 states have call successors, (7230), 1433 states have call predecessors, (7230), 1440 states have return successors, (7353), 7197 states have call predecessors, (7353), 7229 states have call successors, (7353) [2024-11-28 05:05:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29934 states to 29934 states and 42396 transitions. [2024-11-28 05:05:40,930 INFO L78 Accepts]: Start accepts. Automaton has 29934 states and 42396 transitions. Word has length 168 [2024-11-28 05:05:40,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:40,930 INFO L471 AbstractCegarLoop]: Abstraction has 29934 states and 42396 transitions. [2024-11-28 05:05:40,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:05:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 29934 states and 42396 transitions. [2024-11-28 05:05:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 05:05:40,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:40,957 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:40,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:41,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:41,158 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:05:41,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:41,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1108917165, now seen corresponding path program 1 times [2024-11-28 05:05:41,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:41,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927726764] [2024-11-28 05:05:41,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:41,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:05:45,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:45,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927726764] [2024-11-28 05:05:45,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927726764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:45,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562644779] [2024-11-28 05:05:45,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:45,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:45,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:45,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:45,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:05:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:50,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:05:50,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:05:50,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:50,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562644779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:50,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:05:50,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-28 05:05:50,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600934845] [2024-11-28 05:05:50,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:50,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:05:50,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:50,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:05:50,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:05:50,911 INFO L87 Difference]: Start difference. First operand 29934 states and 42396 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:05:52,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:52,884 INFO L93 Difference]: Finished difference Result 69974 states and 99053 transitions. [2024-11-28 05:05:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:05:52,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2024-11-28 05:05:52,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:53,160 INFO L225 Difference]: With dead ends: 69974 [2024-11-28 05:05:53,160 INFO L226 Difference]: Without dead ends: 40049 [2024-11-28 05:05:53,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:05:53,300 INFO L435 NwaCegarLoop]: 2458 mSDtfsCounter, 1824 mSDsluCounter, 11607 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 14065 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:53,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 14065 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:05:53,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40049 states. [2024-11-28 05:05:54,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40049 to 39879. [2024-11-28 05:05:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39879 states, 28333 states have (on average 1.3081565665478418) internal successors, (37064), 28784 states have internal predecessors, (37064), 9611 states have call successors, (9611), 1907 states have call predecessors, (9611), 1934 states have return successors, (9806), 9562 states have call predecessors, (9806), 9610 states have call successors, (9806) [2024-11-28 05:05:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39879 states to 39879 states and 56481 transitions. [2024-11-28 05:05:54,866 INFO L78 Accepts]: Start accepts. Automaton has 39879 states and 56481 transitions. Word has length 174 [2024-11-28 05:05:54,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:54,867 INFO L471 AbstractCegarLoop]: Abstraction has 39879 states and 56481 transitions. [2024-11-28 05:05:54,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:05:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 39879 states and 56481 transitions. [2024-11-28 05:05:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 05:05:54,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:54,903 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:54,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 05:05:55,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:55,105 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:05:55,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:55,106 INFO L85 PathProgramCache]: Analyzing trace with hash -344005780, now seen corresponding path program 1 times [2024-11-28 05:05:55,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:55,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802694281] [2024-11-28 05:05:55,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:55,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:05:59,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:59,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802694281] [2024-11-28 05:05:59,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802694281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:59,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847069428] [2024-11-28 05:05:59,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:59,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:59,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:59,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8e708f-d2fe-4846-99b7-036ef1f203d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process